EP4228033A4 - Positive electrode active material and preparation method therefor, secondary battery, and electric device - Google Patents

Positive electrode active material and preparation method therefor, secondary battery, and electric device Download PDF

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Publication number
EP4228033A4
EP4228033A4 EP21960097.0A EP21960097A EP4228033A4 EP 4228033 A4 EP4228033 A4 EP 4228033A4 EP 21960097 A EP21960097 A EP 21960097A EP 4228033 A4 EP4228033 A4 EP 4228033A4
Authority
EP
European Patent Office
Prior art keywords
preparation
positive electrode
active material
secondary battery
electrode active
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21960097.0A
Other languages
German (de)
French (fr)
Other versions
EP4228033A1 (en
Inventor
Dong Zhao
Qi Wu
Qiang Chen
Jingpeng FAN
Jing Wang
Na LIU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Hong Kong Ltd
Original Assignee
Contemporary Amperex Technology Hong Kong Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Hong Kong Ltd filed Critical Contemporary Amperex Technology Hong Kong Ltd
Publication of EP4228033A1 publication Critical patent/EP4228033A1/en
Publication of EP4228033A4 publication Critical patent/EP4228033A4/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP21960097.0A 2021-12-29 2021-12-29 Positive electrode active material and preparation method therefor, secondary battery, and electric device Pending EP4228033A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/142491 WO2023123052A1 (en) 2021-12-29 2021-12-29 Positive electrode active material and preparation method therefor, secondary battery, and electric device

Publications (2)

Publication Number Publication Date
EP4228033A1 EP4228033A1 (en) 2023-08-16
EP4228033A4 true EP4228033A4 (en) 2024-10-16

Family

ID=86996801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21960097.0A Pending EP4228033A4 (en) 2021-12-29 2021-12-29 Positive electrode active material and preparation method therefor, secondary battery, and electric device

Country Status (4)

Country Link
US (1) US11881582B2 (en)
EP (1) EP4228033A4 (en)
CN (1) CN116998031A (en)
WO (1) WO2023123052A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116651594B (en) * 2023-07-29 2023-10-03 新乡市弘力电源科技有限公司 Lithium manganate synthesizer by low-temperature solid-phase method
CN117303337A (en) * 2023-09-15 2023-12-29 山东精工电子科技股份有限公司 A kind of doping preparation method of lithium iron manganese phosphate composite cathode material
CN117594793B (en) * 2024-01-18 2024-05-14 中国第一汽车股份有限公司 Composite positive electrode material, preparation method and application thereof
CN118538898B (en) * 2024-05-31 2025-01-21 北京当升材料科技股份有限公司 Positive electrode active material and preparation method thereof, and battery
CN118877860B (en) * 2024-09-30 2025-02-11 四川富临新能源科技有限公司 Composite phosphate positive electrode material and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723487A (en) * 2012-06-20 2012-10-10 天津大学 LiFePO4 cathode material of lithium ion battery compositely coated by TiN and C and preparation method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101901898B (en) * 2009-12-07 2013-02-06 耿世达 Lithium battery LiFePO4 anode material with internal three-dimensional conductive structure and preparation method thereof
WO2011132931A2 (en) 2010-04-21 2011-10-27 주식회사 엘지화학 Lithium iron phosphate with carbon-coated olivine crystal structure and lithium secondary battery using the same
CN104124437B (en) 2014-08-12 2016-08-24 长沙赛维能源科技有限公司 Iron phosphate compound anode material of lithium of Surface coating titanium nitride and Graphene and its preparation method and application
EP3096376B1 (en) * 2015-05-20 2019-03-20 Basf Se Protective layers for electrodes
CN106299366B (en) * 2016-11-07 2019-04-26 珠海格力电器股份有限公司 Modified lithium iron phosphate/carbon composite material and preparation method thereof
CN109461894B (en) * 2017-12-29 2020-04-07 北京当升材料科技股份有限公司 Positive electrode composite material for solid-state lithium ion battery and preparation method thereof
CN108598383A (en) * 2018-03-15 2018-09-28 桑顿新能源科技有限公司 A kind of preparation method of the spherical composite ferric lithium phosphate material of Ti, N codope
CN113471411A (en) 2020-03-31 2021-10-01 北京卫蓝新能源科技有限公司 Composite coated positive electrode material and preparation method thereof
CN111435737A (en) 2020-03-31 2020-07-21 蜂巢能源科技有限公司 Cathode material and preparation method thereof, lithium ion battery and electric vehicle
CN112614979A (en) 2020-12-17 2021-04-06 华中科技大学 Secondary carbon-coated lithium iron phosphate and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723487A (en) * 2012-06-20 2012-10-10 天津大学 LiFePO4 cathode material of lithium ion battery compositely coated by TiN and C and preparation method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FAN XIN-MING ET AL: "Surface Modification Engineering Enabling 4.6 V Single-Crystalline Ni-Rich Cathode with Superior Long-Term Cyclability", ADVANCED FUNCTIONAL MATERIALS, vol. 32, no. 6, 27 October 2021 (2021-10-27), DE, XP093202413, ISSN: 1616-301X, Retrieved from the Internet <URL:https://onlinelibrary.wiley.com/doi/full-xml/10.1002/adfm.202109421> DOI: 10.1002/adfm.202109421 *
NGUYEN THANH NHAT PHAT ET AL: "Mechanical alloy coating of LATP decorated porous carbon on LiFe1/3Mn1/3Co1/3PO4/C composite cathode for high-voltage Li-ion battery", ELECTROCHIMICA ACTA, ELSEVIER, AMSTERDAM, NL, vol. 359, 22 August 2020 (2020-08-22), XP086266804, ISSN: 0013-4686, [retrieved on 20200822], DOI: 10.1016/J.ELECTACTA.2020.136980 *
See also references of WO2023123052A1 *

Also Published As

Publication number Publication date
CN116998031A (en) 2023-11-03
EP4228033A1 (en) 2023-08-16
WO2023123052A1 (en) 2023-07-06
US20230299276A1 (en) 2023-09-21
US11881582B2 (en) 2024-01-23

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